Thanks to this code, one can hack a Facebook password and recover a Facebook profile. FB-Tracker™ is based on algorithms exploiting the vulnerability of SS7 protocol for intercepting a system message with a confirmation code.
This SMS contains a code necessary to initiate a password replacement procedure. If a password recovery procedure is launched, an SMS is sent to a phone number bind to a relevant Facebook profile. This step both increases protection of confidential data and greatly simplifies password recovering if this user forgets it and can't access his Facebook page. Any new user must specify and confirm his mobile phone number. There's a mandatory condition related to registering a new FB account.